Super DVD Creator Subtitles

Hi, I'm having a weird problem with subtitles. Im using Super DVD Creator . I burned a disk earlier (like a month ago) that i had to insert subtitles. I haven't burned a movie with subtitles sense then now every time i try to burn a movie were i had to insert subtitles i have problems. the problem is after i burn the movie to a disk and insert the disk into any DVD player i get the same subtitles from that old movie. I have the newest version of Super DVD Creator. And I have all the codecs installed Can someone please help me.